Certificate of Accreditation · 2021. 2. 1. · Certificate of Accreditation (Amended) On-Site...

Certificate of Accreditation (Amended) On-Site Waste Water Management System

This Certificate of Accreditation is hereby issued by the Minister for Building and Construction pursuant to Section 18(1) of the Building Act 2016 (accreditation of products).

System: Eljen – GEOTEXTILE Single Pass Sand Filter

With Liner System (GSPSFWL)

Manufacturer/Supplier Eljen Corporation Hartford, CT, USA Eljen Pacific Inc ACN 607351511

Of 16 The Lee Devonport, TAS 7310

This is to certify that the Eljen GEOTEXTILE Single Pass Sand Filter With Liner System (GSPSFWL) Wastewater Treatment System product has been accredited for use as on-site waste water management system in single dwellings in Tasmania. This accreditation is subject to the conditions and permitted uses specified in Schedule 2, and the National Construction Code.

Peter John Graham Director of Building Control Delegate of the Minister for Building and Construction

Date of Issue: 20 November 2019 Certificate No: DOC/21/6316 This Certificate of Accreditation is valid until 20 November 2024, subject to conditions or unless withdrawn earlier by the Director of Building Control

Department of Justice – Certificate of Accreditation (Amended) DOC/21/6316

20 November 2019 Director of Building Control Page 2 of 12 Delegate of the Minister for Building and Construction

Document development history

Version Certificate Number Approved by Amendment Notes 20 November 2019 DOC/19/86571 Director of Building PJG First issue

29 January 2021 DOC/21/6316 Manager Plumbing Standards &

Regulation RH

Schedule 2 details added.



SCHEDULE 2: Conditions of Accreditation

Normative

1. Definitions Where included in this Certificate of Accreditation and Schedules:

AS/NZS 1547 means the Joint Australian/New Zealand Standard ‘AS/NZS 1547:2012 On-site domestic-wastewater management’;

AS/NZS 1546.3 means the Joint Australian/New Zealand Standard ‘AS/NZS 1546.3:2008 On-site domestic wastewater treatment units, Part 3: Aerated wastewater treatment systems’;

AS/NZS 3000 means the Joint Australian/New Zealand Standard ‘AS/NZS 3000:2000 Wiring rules’

AS/NZS 5667 means the Joint Australian/New Zealand Standard ‘AS/NZS 5667.1:1998 Water quality – Sampling, Part 1: Guidance on the design of sampling programs, sampling techniques and preservation and handling of samples’;

BOD5 means ‘5-day Biochemical Oxygen Demand unless otherwise stated’;

Council means ‘the Municipal Council having jurisdiction’;

Commissioned means ‘when any required test results from a NATA Certified Laboratory show that the water quality requirements for the system have been met or all pre-commissioning tests have been carried out in accordance with AS/NZS 1547 on all associated equipment including the land application area’;

Designer means ‘a person who is accredited under the Building Act 2000 or a Plumber who has a specialty in the area of designing on-site waste water management system installations

Director means ‘the Director of Building Control’;

EC means electrical conductivity

E. coli means ‘Escherichia coli of the family Enterobacteriaceae which is a bacterium used in public health as an indicator of faecal pollution’;

FOG means Fat, Oil and Grease

g/m3 means grams per cubic metre, which is equivalent to milligrams per litre (mg/L)

Informative defines the application of Schedule 1, which is for information and guidance only.

Manufacturer means ‘Eljen Corporation’;

NATA means ‘National Association of Testing Authorities’;

Normative defines the application of Schedule 2, which is an integral part of the Certificate of Accreditation.

PCA means ‘Vol. 3 of the National Construction Code (Plumbing Code of Australia)’;

Permit means ‘a Permit issued by the council pursuant to section 82 of the Building Act 2000’;

Permit authority means ‘a person or body authorised for that purpose by the council of the municipal area in which the on-site waste water management system is installed’;

Plumber means a person who holds an appropriate class of licence under the Occupational Licensing Act 2005 as a Plumber Practitioner (Certifier).

Supplier means ‘the party that is responsible for ensuring that products meet and, if applicable, continue to meet, the requirements on which the certification is based.’ The supplier for the ELjen GSF is Eljen Pacific Inc.

System means ‘Eljen GSF System’.

TN means ‘Total Nitrogen’;

TP means ‘Total Phosphorus;

TPC means the ‘Tasmanian Plumbing Code’.

TSS means ‘Total Suspended Solids’.



2. General

2.1. The system must be supplied, constructed and installed in accordance with the design submitted and accredited by the Director.

2.2. System is designed to meet the secondary quality effluent as defined in AS/NZS 1547 using the GSF system and be designed by an accredited (in Tasmania) waste water designer. The supplier shall receive and maintain a record of the soil report from the designer for each design completed. System designs must be verified and signed by the supplier before being submitted to the permit authority.

2.3. The pipe work connecting the system to the septic tank and all air vent pipes must comply with AS/NZS 1260, PVC-U pipes and fittings for drain, waste and vent applications and be authorised.

2.4. The system must not be installed or used in a plumbing installation other than in accordance with the conditions of the permit issued by the permit authority.

2.5. The supplier must supply the owner and occupier of each installation with a user manual setting out the following:

(a) the treatment process; (b) procedures to be followed in the event of a system failure; (c) emergency contact number; (d) care, operation, monitoring and maintenance requirements; and (e) inspection procedures to be followed as part of the on-going monitoring and program

required by the permit authority.

2.6. Any proposed modifications to the system’s specified processes, equipment, materials, fittings or manuals must have prior authorisation in writing from the Director and may be subject to additional verification or testing.

2.7. Application to a permit authority for a permit to install a system must include the following information: • Statement of warranty • Statement of serviceable life • Quality Assurance Certification • Design and Installation Manual • Owner’s and Operation Manual • Engineering Drawings on A3 format • Detailed system Specifications • Design calculations Report validated by the supplier • Copy of Certificate of Accreditation and Schedules.

2.8. This Certificate of Accreditation is valid for five (5) years from the date of issue or until withdrawn

by the Director and is not transferable and replaces any previous Certificates issued for the system under the TPC. Any application for variation or renewal must be accompanied by Product Certification that has been issued by a JAS-ANZ accredited Conformity Assessment Body (CAB) and other required documentation in accordance with the latest Application for Accreditation Form.

2.9. At each anniversary of the accreditation date the supplier must submit to the Director a list of all systems installed in Tasmania during the previous 12 months. Where the Director is notified of any system failures the Director may randomly select a number of installed systems for audit. The Director will notify the supplier’s nominated NATA accredited laboratory which systems are to audited for BOD5 and TSS. The sampling and testing of the selected systems, if required, is to be done at the supplier’s expense. The following results must be reported to the Director:

• Address of premises; • Date inspected and sampled;



• Sample identification number; • BOD5 for influent and effluent; and • TSS for influent and effluent.

2.10. When granting a permit the permit authority is to satisfy itself that the designer’s choice of the system configuration is optimal for the proposed use and site conditions.

2.11. Prior to the granting of a permit to install a system the following reports (see AS/NZS 1547 Clause 7.4) must be submitted with an application to the permit authority:

2.11.1 Site and soil evaluation report

The site and soil evaluation report is to detail results of an assessment of the individual lot(s) for the public health, environmental, legal and economic factors which are likely to impinge on the location and design of a land-application system. (Refer to AS/NZS 1547 Clause 5.2.4 and Appendices B, C, D, E & G).

2.11.2 Design report In addition to the GSF System Report a Design Report is to be provided and include the following:

(a) Relevant aspects of the Site-and-soil Evaluation Report. (b) A report on the selection of the land-application system. (Refer to AS/NZS 1547,

Clause 5.5.7). (c) A report on the selection of the wastewater-treatment unit. (Refer to AS/NZS

1547, Clause 5.5.4 Appendix H and J). (d) Sufficient information to show that the relevant performance requirements set out

in the PCA have been met. (e) A loading certificate which sets out the design criteria and the limitations associated

with use of the system and incorporates such matters as:

(i) System capacity (number of persons and daily flow); (ii) Summary of design criteria; (iii) The location of and use of reserve areas; (iv) Use of water efficient fittings, fixtures, or appliances; (v) Allowable variation from design flows (peak loading events); (vi) Consequences of changes in loading (due to varying wastewater

characteristics); (vii) Consequences of overloading the system; (viii) Consequences of underloading the system; (ix) Consequences of lack of operation, maintenance and monitoring attention;

and (x) Any other relevant considerations related to the use of the system.

2.12. The following reports must be submitted to the permit authority and owner and be made available

to the Director upon request after commissioning of the installation:

• Installation and commissioning report Where an Installation and Commissioning Report is required it is to cover the ‘as-constructed’ records of the system installation together with the results of any required commissioning tests to demonstrate correct construction and installation and is to be provided to the owner and permit authority on completion of the work. (Refer to and AS/NZS 1547 Clause 6.2.5.4.



• Inspection and Maintenance Report Maintenance reports covering any required ongoing inspection and maintenance operations in order to monitor the operation of the installation. (Refer to AS/NZS 1547 Clause 6.3.5, Appendix T & U).

2.13. Effluent distribution by sub-surface application may be permitted where the permit authority is satisfied that the application for a permit to install the system has demonstrated that:

(f) the effluent can be retained within the authorised land application area; (g) the system has been designed and is capable of being installed and maintained in accordance

with AS/NZS 1547. Note that each application to a permit authority to install a system must also be accompanied by a copy of a completed GSF Design Report endorsed by the supplier, showing the footprint of the proposed system and number of modules for the site;

(h) the location of the system satisfies the relevant requirements of the State Policy on Water Quality Management 1997; and

(i) the discharge is capable of satisfying the relevant water quality limits (see 5.2).

3. Installation and Commissioning

3.1. The installation and operation of the system must comply with the conditions of accreditation and the manufacturer’s instructions, in particular the “GSF Design Installation Manual (Nov 2015) and Operation & Maintenance” sections.

3.2. All plumbing work carried out in connection with the system installation must satisfy the requirements of the Building Act 2000, TPC and the Tasmanian Plumbing Regulations and be carried out by a plumber with the appropriate competencies.

3.3. An inspection/sampling point must be installed permanently. 3.4. All installations of the system must satisfy the installation requirements set out in Appendix A1 –

On-site Waste Water Management Systems of the TPC. 3.5. Each system installation must be inspected and checked by the designer or the designer’s agent. The

designer on completion is to certify that the system has been constructed, installed and commissioned in accordance with its design, the conditions of accreditation and any additional requirements set out in the permit.

NOTE: Where the designer is not available to supervise the installation the designer should obtain signed certification from the installing plumber stating that the installation has been constructed/installed and commissioned in accordance with its design and the conditions Permit.

3.6. Copies of any report or certificate required by the conditions of accreditation must be made available to the Director on request.

4. Maintenance and monitoring

4.1. The septic tank that feeds into the system must be regularly monitored and maintained (including de-sludging) in accordance with the conditions of the permit and manufacturers recommendations. Failure to do this may cause premature failure of the system.

4.2. Routine maintenance shall be in accordance with the written requirements of the manufacturer. However, routine monitoring may be required by the permit authority, in the event of failure of the system’s land application area.



Notes:

Only a plumber can carry out the maintenance and required monitoring of the system other than electrical work unless licensed to do so.

The plumber should complete training with the supplier before carrying out any maintenance on the system.

5. Performance 5.1. Hydraulic and Organic Loading: The system is accredited for treatment of domestic wastewater from a septic tank connected to residential and commercial premises with the following MAXIMUM hydraulic and organic loads:

Model Max Hydraulic load (L/day) Biochemical Oxygen Demand

GSPSFWL 72L/day per module 12.7mg/L

6. Ongoing management

6.1. Where a system installed at a site has been found not to operate satisfactorily during its service life, and as a result requires modification to achieve the required performance requirements, in particular, water quality limits, the installed system is to be modified accordingly. Any modifications including any of the supplier’s rejuvenation procedure outcomes must be recorded on the service report.

6.2. The systems associated septic tank is to be de-sludged every three but not exceeding five years and the sludge is to be disposed of in accordance with the Tasmanian Biosolids Reuse Guidelines and the conditions of permit.

6.3. Only persons with a waste transport business Environment Protection Notice are to be engaged for the removal, transporting and disposal of accumulated sludge.

6.4. Any waste material removed from the septic tank or system must be collected and disposed of or utilised by an approved facility or agency.

7. Permit uses

7.1. The effluent is suitable for sub-surface absorption only.



Example

Eljen GSF System Sizing Calculator Print Out

Department of Justice – Certificate of Accreditation GSPSFWL DOC/21/6316




Document development historySCHEDULE 2: Conditions of AccreditationNormative1. Definitions2. General2.11.1 Site and soil evaluation report2.11.2 Design report

3. Installation and Commissioning4. Maintenance and monitoring5. Performance6. Ongoing management7. Permit uses

ExampleEljen GSF System Sizing Calculator Print Out

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